| Mdh | Methanol dehydrogenase |
| FalDH | Formaldehyde dehydrogenase |
| Bmmdh | Methanol dehydrogenase from B. methanolicus |
| Bsmdh | Methanol dehydrogenase from B. stearothermophilus |
| FalDH | Formaldehyde dehydrogenase from P. putida |
| MMOs | Methane monooxygenase |
| IPTG | Isopropyl β-d-1-thiogalactopyranoside |
| TF | Transcription factor |